John Bzdel's LS7/T56 1988 Monte Carlo SS
704 RWHP stock short block LS7 on 92 octane pump gas+!
Stock Crate motor as installed bove left, current modified with Beck sheetmetal above right)
Current Motor: 2006 Corvette Z06 crate motor LS7 (factory stock flywheel rating 505/470 HP/TQ SAE)
Current modified power level: 704 RWHP / 545 RWTQ SAE corrected
Stock OEM GM LS7 short block with dry sump0.040" Cometic MLS head gaskets (12.78 SCR, 9.52 DCR)
GM Stock ignition coils and plug wires, NKG TR6iX spark plugs gapped at 0.040"
GM LSX LS7 heads hand ported by Darin Morgan-
|
Valve Lift |
Intake CFM |
Exhaust CFM |
|
0.200" |
157 |
115 |
|
0.300" |
229 |
158 |
|
0.400" |
298 |
198 |
|
0.500" |
351 |
220 |
|
0.600" |
395 |
236 |
|
0.700" |
409 |
243 |
|
0.800" |
420 |
251 |
|
0.900" |
423 |
254 |
|
1.000" |
429 |
261 |
Solid Roller Cam by Bullet Racing Cams (click here for idle link)- 258/273 @ 0.050"; 112 + 4 LSA, installed 108.5
- 0.781" intake / 0.747" exhaust
- Isky EZ-roll SR lifters
- Smith Brothers 7/16" pushrods
- Crower shaft mount 1.8 rockers
- C5R Timing chain
- Crower adjustable cam gear
Beck Sheet metal intake - Nick Williams 102mm throttle body
- Injector Dynamics ID1000 injectors
- GM LS7 MAF cartridge
- 4.5" diameter inlet tubing with K&N conical filter
Exhaust system
Meziere electric water pump
ATI 10% under drive crank pulley
Two Elite Engineering catch cans
2.5 BAR E38 PCM tuning
Drivetrain:
- RPS BC Clutch and Aluminum flywheel
- T-56 2.66 1st gear transmission
- Moser 35 spline Tru-trac 12 bolt 4.11 rear end
Suspension:
- Modified C5 spindles & 13" front disc brakes
- 4th Gen F-body 12" rear disc brakes
- 2" drop via G5 Suspension Package up front and 2" drop rear coils
- AFCO front shocks and rear coilover adjustable shocks
- Boxed lower rear control arms with BMR lowering brackets & 1LE bushings
Wheels/Tires:
- Rear 17" x 10" Custom widened/Chromed Momo Arrow wheels with Dunlop P315/35xZR17 tires
- Front 17" x 8.5" Chromed Momo Arrow wheels with Dunlop P275/40xZR17 tires (for tire fitment data follow this link)
Performance:
Current Vehicle Description:
- Black original paint/Grey Interior
- Goodmark cowl induction hood
- Click here for the original LS1 swap journal. The LS7 was dropped in during the spring of 2006.
This page was last updated 10/20/14
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c2019 by John Bzdel